GENOA SYSTEMS CORPORATION

UL486

Processor

80486SX/80486DX/80486DX2

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Speaker

J5

Turbo LED

J2

Power LED & keylock

J6

Turbo switch

J3

32-bit external memory card

S1

Reset switch

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

pins 2 & 3 closed

 

Monitor type select monochrome

JP1

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1 M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP9

JP10

JP11

JP12

JP13

64MB

1 & 2

1 & 2

Open

Open

Open

Open

Open

1 & 2

128MB

2 & 3

1 & 2

Closed

Closed

Open

Open

1 & 2

2 & 3

256MB

2 & 3

2 & 3

Closed

Closed

Closed

JP8

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP17

JP18

80486SX

pins 2 & 3 closed

Open

80486DX

pins 1 & 2 closed

Closed

80486DX2

pins 1 & 2 closed

Closed